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187results about "Counting objects in stack" patented technology

Digital watermark screening and detection strategies

To enhance decoding of signals suspected of containing an embedded auxiliary signal, a suspect signal is screened to compute detection values evincing presence and strength of the embedded signal. Screening strategies control detector actions, such as rejecting un-marked signals, improving synchronization of a reader used to extract hidden messages in suspect signals, determining authenticity of signals, and controlling use of the signals.
Owner:DIGIMARC CORP

Article dispensing and counting method and device

One embodiment of the present invention includes a system comprising a housing having an upper end and a lower end. The housing carries a plurality of movable blades defining an entry aperture proximate to the upper end, an exit aperture proximate to the lower end, and a chamber there between. An adapter may be provided for connection to the housing and for receiving an article storage container. The upper end of the housing carries a sensor responsive to the presence and absence of the article storage container. A memory device carries information about the presence and absence of the article storage container. An article determining and actuating station has electronics for interrogating the memory device, for controlling the plurality of blades and for determining the number of items dispensed. A receptacle collects articles that have been dispensed. Methods of associating a flow control device with an article storage container and of dispensing items are also disclosed.
Owner:PARATA SYST LLC

Movement pattern recognizing apparatus for detecting movements of human bodies and number of passed persons

A movement pattern recognizing apparatus has a movement signal detection device including a sensor for detecting a mobile body in a detection region and for providing a movement signal indicating the position of the mobile body. The signal changes as time elapses. The apparatus further has a movement pattern storage device for storing data about previous movement patterns which were realized when a mobile body moved in the detection region, and a movement pattern selection device for selecting data about the movement pattern from the movement pattern storage device based upon the movement signal detected by the movement signal detection device.
Owner:PANASONIC CORP

Online bar section image automatic counting device and method

The invention relates to an Online bar section image automatic counting device and method. The invention relates to the digital image processing and applying technologies. The image counting device of the invention includes an upper computer, an image collection card, a CCD camera and a lighting equipment; wherein the upper computer is connected with the image collection card; and the image collection card is respectively connected with the CCD camera and the lighting equipment. The image counting method of the invention includes the steps of sensing and opening the image, pre-processing the image, processing edge detection operators, converting 2D distances, searching and counting seed points as well as displaying the counting result. After adopting the gray level image threshold segmentation and pseudocolor coding technologies, the invention not only can process gray images on the end surface of the bar section, but also can process blue or yellow images on the end surface of the bar section; the system adaptation is wider; the invention discloses a method for obtaining the perimeter, area and number of the bar sections in the image; the counting precision of the seed searching method is relatively higher, which can count partial bar sections with irregular end surface shapes and different shooting sizes.
Owner:NORTHEASTERN UNIV

Method and device for counting bar materials

The invention relates to a method and a device for counting bar materials which are loaded by a conveying device and belongs to the field of identification of computer images. The method comprises the following steps of: acquiring an image and transmitting the image to a computer; pre-processing the image; segmenting a communication region to separate the bar materials from one another; obtaining coordinates of the bar materials; combining information pairs; matching information; performing matching by two rounds; after two-round matching is performed, preserving the information pairs which are not matched in the current frame set; and eliminating the bar materials which are not matched in the previous frame set, increasing a counting value during eliminating, and repeating the steps. The device comprises an illumination light source, an industrial camera, a computer and accessories, wherein the illumination light source and the industrial camera are arranged in incidence and reflection direction in which end faces of the bar materials to be processed serve as reflecting surfaces; and the computer receives acquired image information and processes the acquired image information. The invention has the advantages that: accurate rate is high; real-time performance is good; and the labor intensity of workers is reduced during improvement of production efficiency.
Owner:HEFEI BAISHENG SCI & TECH

Bar material counting method

InactiveCN104866857AGuaranteed count problemAutomatic completionCharacter and pattern recognitionCounting objects in stackTemplate matchingRebar
The invention discloses a bar material counting method comprising the following steps: contour tracking; calculating a minimum bounding circle; forming a template and counting. The method uses an adaptive minimum bounding circle to approach a rod material end face. Carrying out contour tracking for an original image so as to obtain a contour of a binary image; calculating the minimum bounding circle so as to carry out polygonoun approximation; using the minimum bounding circle to identify the bar material end face, thus adaptively extracting a bar material end face radius template. Adaptively obtaining the minimum bounding circle to approach the end face according to the end face no matter the size of the bar material end face, and an error is controlled to be + / -4%. The method uses the bar material end face template matching strategy, and obtains the bar material end face template through iteration; an average radius of the template is Avg, and iteration is carried out in a steel bar end face bounding circle between 0.5*Avg and 1.5*Avg scope, thus effectively solving the bar material counting problems if the sizes of each bar material end face are not completely consistent in a whole bundle of bar materials, and precision can reach 99.5%.
Owner:DALIAN MARITIME UNIVERSITY

Screw counter and electronic device using the same

A screw counter includes a first interface, a second interface, and a processing unit. The first interface connected to a screwdriver, the screwdriver is adapted for screwing a predetermined total number of screws into a workpiece to perform a screwing operation on the workpiece. The second interface is connected to a detecting unit. The detecting unit detects a start time and a finish time of the screwing operation. The processing unit counts a variable, each time when the processing unit is changed from a first state to a second state, the variable adds one; a total added value of the variable is calculated during a time interval between the start time and the finish time to acquire a total number of screws which are completely screwed into the workpiece.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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